mirror of https://github.com/veops/cmdb.git
75 lines
2.0 KiB
Python
75 lines
2.0 KiB
Python
# -*- coding:utf-8 -*-
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import redis
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from flask import current_app
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class RedisHandler(object):
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def __init__(self, flask_app=None):
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self.flask_app = flask_app
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def init_app(self, app):
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self.flask_app = app
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config = self.flask_app.config
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try:
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pool = redis.ConnectionPool(
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max_connections=config.get("REDIS_MAX_CONN"),
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host=config.get("CACHE_REDIS_HOST"),
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port=config.get("CACHE_REDIS_PORT"),
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db=config.get("REDIS_DB"))
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self.r = redis.Redis(connection_pool=pool)
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except Exception as e:
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current_app.logger.error("init redis connection failed")
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# @classmethod
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# def instance(cls):
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# if not hasattr(cls, "_instance"):
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# cls._instance = cls()
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# return cls._instance
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def get(self, ci_ids, key="CMDB_CI"):
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try:
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value = self.r.hmget(key, ci_ids)
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except Exception as e:
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current_app.logger.error("get redis error, %s" % str(e))
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return
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return value
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def _set(self, ci, key="CMDB_CI"):
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try:
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self.r.hmset(key, ci)
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except Exception as e:
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current_app.logger.error("set redis error, %s" % str(e))
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def add(self, ci):
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self._set(ci)
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def delete(self, ci_id, key="CMDB_CI"):
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try:
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ret = self.r.hdel(key, ci_id)
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if not ret:
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current_app.logger.warn("ci [%d] is not in redis" % ci_id)
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except Exception as e:
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current_app.logger.error("delete redis key error, %s" % str(e))
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def get_page(page):
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try:
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page = int(page)
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except ValueError:
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page = 1
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if page < 1:
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page = 1
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return page
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def get_per_page(per_page):
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try:
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per_page = int(per_page)
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except:
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per_page = current_app.config.get("DEFAULT_PAGE_COUNT")
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if per_page < 1:
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per_page = current_app.config.get("DEFAULT_PAGE_COUNT")
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return per_page |